USA Boys 10 & under - 50 Y Back
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 1151 | Simon Feldman | 38.61 | 9 | BB Min | A: 37.59 (+1.02s | 2.6%) | Patriot Aquatics | 09/27/2025 | 2025 Elizabeth Kazeck Fall Sprint | |
| 1152 | Adam Ma | 38.61 | 10 | BB Min | A: 37.59 (+1.02s | 2.6%) | California Dolphins Swim Team | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 1153 | Andrew Radlicz | 38.61 | 9 | BB Min | A: 37.59 (+1.02s | 2.6%) | Life Time Mid Atlantic Swim Te | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 1154 | Judah Moss | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Grand Rapids Aquatics | 11/15/2025 | 2025 GR Gales Of November Open Invitational | |
| 1155 | Felician Perski Smaluch | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Jupiter Dragons Swim Team | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 1156 | Nathaniel Rocha | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Cape Cod Swim Club | 11/07/2025 | 2025 NE CCSC Shoot Outs Meet Copied | |
| 1157 | Jacob Fischer | 38.62 | 9 | BB Min | A: 37.59 (+1.03s | 2.7%) | Greater Pensacola Aquatic Club | 02/13/2026 | 2026 SES Region 4 Championships | |
| 1158 | Ishaan Pandey | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Anglerfish Aquatics | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 1159 | Jonathan Short | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1160 | Demian Jarmy | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Pacific Swimming Zone | 04/26/2026 | 2026 Pacific Swimming Zone All Star Meet | |
| 1161 | Austin Ross | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Tide Swimming | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 1162 | Briggs Mirda | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Swim Melbourne | 10/11/2025 | TCSC Fall Invitational | |
| 1163 | Arthur Sheehan | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 1164 | Alex Liu | 38.63 | 10 | BB Min | A: 37.59 (+1.04s | 2.7%) | Anglerfish Aquatics | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 1165 | Jayden Li | 38.63 | 9 | BB Min | A: 37.59 (+1.04s | 2.7%) | Crimson Aquatics | 01/16/2026 | 2026 NE CRIM Bronze Championship | |
| 1166 | Roland Suida | 38.63 | 8 | BB Min | A: 37.59 (+1.04s | 2.7%) | Rogue Rapids | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1167 | Marcus Jensen | 38.63 | 10 | BB Min | A: 37.59 (+1.04s | 2.7%) | Voltage Aquatics | 12/06/2025 | Reindeer Games 2025 | |
| 1168 | Remington Tucker | 38.63 | 10 | BB Min | A: 37.59 (+1.04s | 2.7%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1169 | Avery Gropp | 38.63 | 10 | BB Min | A: 37.59 (+1.04s | 2.7%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1170 | Wes Titievsky | 38.63 | 10 | BB Min | A: 37.59 (+1.04s | 2.7%) | Brooklyn Stingrays | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1171 | Wyatt Parsons | 38.64 | 10 | BB Min | A: 37.59 (+1.05s | 2.7%) | Mount Desert Island YMCA ST | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 1172 | John Golightly | 38.64 | 9 | BB Min | A: 37.59 (+1.05s | 2.7%) | Indian River Aquatics | 06/26/2026 | 2026 Summer Area 6 Champs | |
| 1173 | Aarav Narayan | 38.65 | 10 | BB Min | A: 37.59 (+1.06s | 2.7%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1174 | Daniel Rasoulian | 38.65 | 10 | BB Min | A: 37.59 (+1.06s | 2.7%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 1175 | Cai Curristin | 38.65 | 10 | BB Min | A: 37.59 (+1.06s | 2.7%) | Condors Swim Club | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 1176 | Herman Wollman | 38.65 | 10 | BB Min | A: 37.59 (+1.06s | 2.7%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1177 | Kyle Yun-Choi | 38.66 | 9 | BB Min | A: 37.59 (+1.07s | 2.8%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1178 | Andrew Williams | 38.66 | 10 | BB Min | A: 37.59 (+1.07s | 2.8%) | East Hartford YMCA | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1179 | Parker Ng | 38.66 | 8 | BB Min | A: 37.59 (+1.07s | 2.8%) | Commonwealth Swimming | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1180 | Timothey Miley | 38.66 | 10 | BB Min | A: 37.59 (+1.07s | 2.8%) | Anacortes | 02/20/2026 | 2026 WIAA 2A Boys HS State Champs OB | |
| 1181 | Henry Astry | 38.67 | 8 | BB Min | A: 37.59 (+1.08s | 2.8%) | West Express Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1182 | Shenukha Alahakoon | 38.67 | 10 | BB Min | A: 37.59 (+1.08s | 2.8%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 1183 | Jayden Lai | 38.68 | 9 | BB Min | A: 37.59 (+1.09s | 2.8%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 1184 | William Curran | 38.68 | 9 | BB Min | A: 37.59 (+1.09s | 2.8%) | Revolution Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 1185 | Edward Harris | 38.68 | 8 | BB Min | A: 37.59 (+1.09s | 2.8%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1186 | Max Matov | 38.68 | 10 | BB Min | A: 37.59 (+1.09s | 2.8%) | Commonwealth Swimming | 03/13/2026 | 2026 NE INST NE Cup | |
| 1187 | Timothy Batanov | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1188 | Ryan Li | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | Trident Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1189 | James Goodwillie | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | Hanover Aquatics | 01/17/2026 | 2026 Duck Bowl | |
| 1190 | Henry Eick | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | Memphis Tiger Swimming | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 1191 | Ben Reece | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | Gleason Family YMCA | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1192 | William Johnson | 38.69 | 9 | BB Min | A: 37.59 (+1.10s | 2.8%) | Swim Florida | 02/21/2026 | CCS Last Chance Meet Feb 2026 | |
| 1193 | Jun Reinhardt | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | Brooklyn Stingrays | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1194 | Isaac Zhang | 38.69 | 9 | BB Min | A: 37.59 (+1.10s | 2.8%) | First Colony Swim Team, Inc. | 01/31/2025 | 2025 Fleet Mardi Gras | |
| 1195 | Flint Wright | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | SwimFast | 10/25/2025 | 2025 BRST Not So Scary Invite | |
| 1196 | Jayden Lu | 38.70 | 9 | BB Min | A: 37.59 (+1.11s | 2.9%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 1197 | Blake Baisch | 38.70 | 9 | BB Min | A: 37.59 (+1.11s | 2.9%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1198 | Rylan Brill | 38.70 | 10 | BB Min | A: 37.59 (+1.11s | 2.9%) | CAC Stingrays Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1199 | Phillippe Choi | 38.70 | 10 | BB Min | A: 37.59 (+1.11s | 2.9%) | Blast Sharks | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1200 | Isaac Waltuch | 38.71 | 10 | BB Min | A: 37.59 (+1.12s | 2.9%) | New Albany Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.